| 219 | 18.601 | 21.209 | 23.805 | 26.388 |
| 273 | 23.262 | 26.536 | 29.797 | 33.046 |
| 325 | 27.750 | 31.665 | 35.568 | 39.458 |
| 355 | 38.897 | 43.158 | 47.406 | 51.641 |
| 377 | 41.339 | 45.871 | 50.390 | 54.897 |
| 426 | 46.777 | 51.913 | 57.036 | 62.147 |
| 450 | ||||
| 480 | ||||
| 530 | ||||
| 630 | ||||
| 单位:Kg/m | 壁 厚 | |||
| 外 径 | 6.5 | 7 | 8 | 8.5 |
| 32 | 4.088 | |||
| 38 | 5.049 | |||
| 42 | 5.691 | |||
| 45 | 6.172 | |||
| 50 | 6.973 | 7.423 | 8.286 | 8.699 |
| 54 | 7.614 | 8.114 | 9.075 | 9.538 |
| 57 | 8.095 | 8.632 | 9.667 | 10.167 |
| 60 | 8.576 | 9.149 | 10.259 | 10.796 |
| 63.5 | 9.137 | 9.754 | 10.950 | 11.529 |
| 68 | 9.858 | 10.530 | 11.838 | 12.473 |
| 70 | 10.179 | 10.876 | 12.232 | 12.892 |
| 73 | 10.660 | 11.394 | 12.824 | 13.521 |
| 76 | 11.141 | 11.912 | 13.416 | 14.150 |
| 89 | 13.225 | 14.156 | 15.981 | 16.875 |
| 108 | 16.270 | 17.436 | 19.729 | 20.858 |
| 133 | 20.278 | 21.751 | 24.662 | 26.098 |
| 159 | 24.446 | 26.240 | 29.791 | 31.548 |
| 219 | 34.064 | 36.598 | 41.629 | 44.126 |
| 273 | 42.720 | 45.920 | 52.283 | 55.445 |
| 325 | 51.056 | 54.897 | 62.542 | 66.346 |
| 355 | 55.865 | 60.076 | 68.460 | 72.634 |
| 377 | 59.391 | 63.873 | 72.801 | 77.246 |
| 426 | 67.246 | 72.332 | 82.468 | 87.518 |
| 450 | 71.093 | 76.475 | 87.203 | 92.549 |
| 56#c | 560 | 170 | 16.5 | 123.9 |
| 63#a | 630 | 176 | 13 | 121.407 |
| 63#b | 630 | 178 | 15 | 131.298 |
| 63#c | 630 | 180 | 17 | 141.189 |
收起
30特工字钢 又称30异工字钢 或30t
工字钢30特是专为葫芦式起重机设计的工字钢，下翼缘加厚，便于葫芦跑车在上运行,其具体尺寸见图:
| 规格 | 高度 | 腿宽 | 腰厚 | 理重 |
| 30t | 300 | 128 | 12 | 64.6 |
弹簧钢板常用牌号有65mn钢板，50crva钢板60si2mn钢板，一般规格在1~30毫米之间。国内产地有鞍钢、宝钢等。有退火与不退火状态。弹簧钢板力学性能
| 序号 | 牌号 | 力学性能 | |
| 抗拉强度 ≤ | 伸长率 δ10(%)≥ | ||
| 1 | 85 | 800 | 10 |
| 2 | 65Mn | 850 | 12 |
| 3 | 55Si2Mn | 950 | 12 |
| 4 | 60Si2Mn | 950 | 12 |
由于 20mn钢板发货即时、质量可靠、使用方便、返修率低、售后服务完善，已经畅销全国多个省份，获得众多用户的好评。
欢迎全国广大用户选购，共同发展，共创辉煌！
